/* iRoomHub persistent Main Menu button */
#iroomhub-main-menu-button {
  position: fixed;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(92px, calc(env(safe-area-inset-bottom) + 18px));
  z-index: 2147483000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 11px 17px;
  border: 2px solid rgba(255,255,255,.88);
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg,#183768,#4968d4 58%,#7559cf);
  box-shadow: 0 10px 26px rgba(22,51,95,.28), 0 2px 7px rgba(22,51,95,.18);
  font: 800 15px/1.1 "Segoe UI", Arial, Helvetica, sans-serif;
  letter-spacing: .01em;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}
#iroomhub-main-menu-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(22,51,95,.32), 0 3px 8px rgba(22,51,95,.18);
  filter: brightness(1.04);
}
#iroomhub-main-menu-button:active { transform: translateY(0) scale(.97); }
#iroomhub-main-menu-button:focus-visible {
  outline: 4px solid rgba(70,121,236,.35);
  outline-offset: 3px;
}
#iroomhub-main-menu-button .iroomhub-home-icon { font-size: 19px; line-height: 1; }
@media (max-width: 600px) {
  #iroomhub-main-menu-button {
    right: max(10px, env(safe-area-inset-right));
    bottom: max(78px, calc(env(safe-area-inset-bottom) + 14px));
    min-width: 50px;
    min-height: 50px;
    padding: 10px 13px;
  }
  #iroomhub-main-menu-button .iroomhub-home-label { display: none; }
  #iroomhub-main-menu-button .iroomhub-home-icon { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  #iroomhub-main-menu-button { transition: none; }
}


/* Context-aware navigation for Literacy > Writing lesson pages */
#iroomhub-writing-context-nav {
  position: sticky;
  top: max(6px, env(safe-area-inset-top));
  z-index: 2147482500;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  width: fit-content;
  max-width: calc(100% - 4px);
  margin: 4px 0 12px;
  padding: 7px;
  border: 1.5px solid rgba(173,190,216,.72);
  border-radius: 16px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 8px 22px rgba(23,59,112,.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
}
#iroomhub-writing-context-nav .iroomhub-context-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 9px 13px;
  border: 1.5px solid #d4dfed;
  border-radius: 11px;
  background: #fff;
  color: #173b70;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.05;
  font-weight: 850;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform .14s ease, border-color .14s ease, box-shadow .14s ease, background .14s ease;
}
#iroomhub-writing-context-nav .iroomhub-context-link:hover {
  transform: translateY(-1px);
  border-color: #86a5d7;
  box-shadow: 0 5px 12px rgba(23,59,112,.10);
}
#iroomhub-writing-context-nav .iroomhub-context-link:active { transform: scale(.97); }
#iroomhub-writing-context-nav .iroomhub-context-link:focus-visible {
  outline: 3px solid rgba(73,104,212,.28);
  outline-offset: 2px;
}
#iroomhub-writing-context-nav .iroomhub-context-home {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg,#183768,#4968d4 60%,#7559cf);
}
#iroomhub-writing-context-nav .iroomhub-context-literacy { background: #eef9f9; border-color: #c7e4e5; color: #176f74; }
#iroomhub-writing-context-nav .iroomhub-context-genre { background: #f6f1ff; border-color: #ded1f4; color: #6544a9; }
#iroomhub-writing-context-nav .iroomhub-context-lessons { background: #fff7e9; border-color: #efd9b3; color: #8b5a18; }
#iroomhub-writing-context-nav .iroomhub-context-icon { font-size: 17px; line-height: 1; font-weight: 900; }
@media (max-width: 680px) {
  #iroomhub-writing-context-nav {
    position: sticky;
    width: 100%;
    max-width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 6px;
    margin: 2px 0 10px;
    padding: 6px;
    border-radius: 13px;
  }
  #iroomhub-writing-context-nav .iroomhub-context-link {
    min-width: 0;
    min-height: 44px;
    padding: 8px 7px;
    font-size: 12.5px;
    white-space: normal;
    text-align: center;
  }
}
@media (max-width: 380px) {
  #iroomhub-writing-context-nav .iroomhub-context-link { font-size: 11.5px; }
}
@media (prefers-reduced-motion: reduce) {
  #iroomhub-writing-context-nav .iroomhub-context-link { transition: none; }
}


/* iRoomHub modern breadcrumb navigation for Phonics lesson pages */
#iroomhub-phonics-context-nav {
  position: sticky;
  top: max(6px, env(safe-area-inset-top));
  z-index: 2147482500;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 100%;
  margin: 4px 0 12px;
  padding: 8px 10px;
  border: 1.5px solid rgba(174,190,215,.72);
  border-radius: 16px;
  background: rgba(255,255,255,.97);
  box-shadow: 0 8px 22px rgba(23,59,112,.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
}
#iroomhub-phonics-context-nav .iroomhub-phonics-crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  min-width: 0;
  flex: 1 1 auto;
}
#iroomhub-phonics-context-nav .iroomhub-phonics-crumb,
#iroomhub-phonics-context-nav .iroomhub-phonics-current,
#iroomhub-phonics-context-nav .iroomhub-phonics-back {
  min-height: 40px;
  box-sizing: border-box;
  border-radius: 10px;
  font-size: 13.5px;
  line-height: 1.12;
  font-weight: 800;
}
#iroomhub-phonics-context-nav .iroomhub-phonics-crumb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 9px;
  color: #28527e;
  text-decoration: none;
  background: transparent;
  border: 1px solid transparent;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background .14s ease, border-color .14s ease, transform .14s ease;
}
#iroomhub-phonics-context-nav .iroomhub-phonics-crumb:hover {
  background: #edf5ff;
  border-color: #d2e1f2;
  transform: translateY(-1px);
}
#iroomhub-phonics-context-nav .iroomhub-phonics-crumb:active { transform: scale(.97); }
#iroomhub-phonics-context-nav .iroomhub-phonics-crumb:focus-visible,
#iroomhub-phonics-context-nav .iroomhub-phonics-back:focus-visible {
  outline: 3px solid rgba(73,104,212,.28);
  outline-offset: 2px;
}
#iroomhub-phonics-context-nav .iroomhub-phonics-home {
  color: #fff;
  background: linear-gradient(135deg,#183768,#4968d4 60%,#7559cf);
  border-color: transparent;
  padding-inline: 12px;
}
#iroomhub-phonics-context-nav .iroomhub-phonics-separator {
  color: #91a3b9;
  font-size: 16px;
  font-weight: 900;
  user-select: none;
}
#iroomhub-phonics-context-nav .iroomhub-phonics-current {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  color: #5c3e9f;
  background: #f4efff;
  border: 1px solid #ded2f3;
  cursor: default;
}
#iroomhub-phonics-context-nav .iroomhub-phonics-back {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 126px;
  padding: 9px 13px;
  color: #71420b;
  background: #fff6e6;
  border: 1.5px solid #efd5ab;
  text-decoration: none;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background .14s ease, transform .14s ease, box-shadow .14s ease;
}
#iroomhub-phonics-context-nav .iroomhub-phonics-back:hover {
  background: #ffefcf;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(112,66,11,.10);
}
#iroomhub-phonics-context-nav .iroomhub-phonics-back:active { transform: scale(.97); }
@media (max-width: 760px) {
  #iroomhub-phonics-context-nav {
    align-items: stretch;
    flex-direction: column;
    gap: 7px;
    padding: 7px;
    border-radius: 13px;
  }
  #iroomhub-phonics-context-nav .iroomhub-phonics-crumbs {
    overflow-x: auto;
    flex-wrap: nowrap;
    width: 100%;
    padding-bottom: 2px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }
  #iroomhub-phonics-context-nav .iroomhub-phonics-crumb,
  #iroomhub-phonics-context-nav .iroomhub-phonics-current {
    flex: 0 0 auto;
    min-height: 42px;
    font-size: 12.5px;
    white-space: nowrap;
  }
  #iroomhub-phonics-context-nav .iroomhub-phonics-back {
    width: 100%;
    min-height: 44px;
  }
}
@media (max-width: 420px) {
  #iroomhub-phonics-context-nav .iroomhub-phonics-crumb,
  #iroomhub-phonics-context-nav .iroomhub-phonics-current { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  #iroomhub-phonics-context-nav .iroomhub-phonics-crumb,
  #iroomhub-phonics-context-nav .iroomhub-phonics-back { transition: none; }
}